<?php
/**
* Global Search Engine for Moodle
*
* @package search
* @category core
* @subpackage document_wrappers
* @author Valery Fremaux [valery.fremaux@club-internet.fr] > 1.8
* @date 2008/03/31
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*
* this is a format handler for getting text out of a proprietary binary format 
* so it can be indexed by Lucene search engine
*/

/**
* @param object $resource
* @uses $CFG
*/
function get_text_for_indexing_txt(&$resource, $directfile = ''){
	global $CFG;
	
	// SECURITY : do not allow non admin execute anything on system !!
	if (!has_capability('moodle/site:doanything', get_context_instance(CONTEXT_SYSTEM))) return;

	// just try to get text empirically from ppt binary flow
	if ($directfile == ''){
		$text = implode('', file("{$CFG->dataroot}/{$resource->course}/{$resource->reference}"));
	} else {
		$text = implode('', file("{$CFG->dataroot}/{$directfile}"));
	}
	
	if (!empty($CFG->block_search_limit_index_body)){
		$text = shorten($text, $CFG->block_search_limit_index_body);
	}
	return $text;
}
?>